Electronics Forum | Thu Jan 04 02:54:20 EST 2018 | buckcho
Hello, I have experienced the same problem. It is a problem with your PCB manufacturer. If the paste goes away from the pads it is most likely PCB problem. How long does it take to produce from top to bottom side? The longer it takes, the worst the p
Electronics Forum | Fri Sep 13 13:51:38 EDT 2002 | kenbliss
I recently saw an ad in a major trade magazine that stated: �about 60%of all printed circuit board manufacturing defects are due to stencil printing� I would like to hear comments from people that are running SMT lines, is this fact and if it is, w
Electronics Forum | Fri Mar 07 04:25:29 EST 2008 | mun4o
Hi, i try to collect data for solder wave process defects, but I dont know how I must calculate these data.Can anyone help me - may be there nave some free software for this.I want to calculate how many ppm is our deffects.And, how is acceptable ran
Electronics Forum | Fri Mar 07 10:55:51 EST 2008 | slthomas
Not sure if you need help with the calculations or the application, so from the beginning: d=defective parts, p=number of parts, dpm=defects per million parts In a nutshell, d/p=dpm/1000000, so dpm=d/p*1000000 We use dpmo (defects per million op
Electronics Forum | Tue Mar 11 14:42:09 EDT 2008 | ck_the_flip
Here's a cheer I found on the ASQC Website. "Quality Cheer" by QC McSnigglets Who found it? WE DID! Who made it? THEY did. D - E - F - E - C - T - S Who found it? WE DID! Who made it? THEY did. D - E - F - E - C - T - S Du-du-du-du- DE-FECTS
Electronics Forum | Fri Apr 03 05:25:31 EST 1998 | Donnacha
Hi all, Could someone suggest a web site that contains good representations and pictures of SMT solder related defects?? I need to compare these with some pictures I'm using for a project presentation this week. Thanks, D.
Electronics Forum | Mon Mar 10 08:09:27 EDT 2008 | realchunks
I'm looking for the dance video our QC Dept. uses each time they find a defect. It's very catchy and trendy.
Electronics Forum | Tue Oct 27 13:56:36 EDT 2009 | julie331975
I work for a CEM. We are having some quality issues with some pcb's that came from China. (I know, big surprise) Can anyone with pcb manufacturing experience look at some pictures I have and give me an opinion as to what could go wrong in the pcb man
Electronics Forum | Mon Mar 10 14:57:15 EDT 2008 | realchunks
Or Fox's next big hit game show.
Electronics Forum | Wed Oct 28 04:02:10 EDT 2009 | lococost
solderresist has a big offset?
